BCG status, test results of tuberculin skin test (TST) and interferon-γ release assay (IGRA), result of chest x-ray, number of children referred to hospital and number with latent tuberculosis in relation to nationality and specified into age groups less than or more than 5 years for children who were exposed to an adult with smear-positive pulmonary tuberculosis
| Native Norwegian | Non-native born in Norway | Non-native born abroad | All children | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| <5 years N=119 | ≥5 years N=453 | Total N=572 | <5 years N=10 | ≥5 years N=12 | Total N=22 | <5 years N=4 | ≥5 years N=8 | Total N=12 | N=606 | |
| BCG vaccinated | 2 (1.7)* | 8 (1.8) | 10 (1.7) | 10 (100) | 9 (75.0) | 19 (86.4) | 1 (25.0) | 7 (87.5) | 8 (66.7) | 37 (6.1) |
| TST 4–5 mm | 2 (1.7) | 0 | 2 (0.3) | 0 | 1 (8.3) | 1 (4.5) | 1 (25.0) | 2 (25.0) | 3 (25.0) | 6 (1.0) |
| TST ≥6 mm | 2 (1.7) | 5 (1.1) | 7 (1.2) | 1 (10.0) | 2 (16.7) | 3 (13.6) | 0 | 1 (12.5) | 1 (8.3) | 11 (1.8) |
| BCG vaccinated and TST ≥4 mm | 0 (0)† | 3 (37.5) | 3 (30.0) | 1 (10.0) | 3 (33.3) | 4 (21.1) | 1 (100) | 3 (42.9) | 4 (50.0) | 11 (29.7) |
| IGRA positive | 0 | 1 (0.2) | 1 (0.2) | 0 | 0 | 0 | 0 | 2 (25.0) | 2 (16.7) | 3 (0.5) |
| x-Ray positive | 2 (1.7) | 0 | 2 (0.3) | 0 | 0 | 0 | 0 | 0 | 0 | 2 (0.3) |
| Referred to hospital | 12 (10.0) | 1 (0.2) | 13 (2.3) | 1 (10.0) | 0 | 1 (4.5) | 0 | 2 (25.0) | 2 (16.7) | 16 (2.6) |
| Latent tuberculosis | 0 | 1 (0.2) | 1 (0.2) | 0 | 0 | 0 | 0 | 1 (12.5) | 1 (8.3) | 2 (0.3) |
*Number (percentage of children in the column).
†Number (percentage of BCG-vaccinated children).